Enabling Queue Processing

Run updatedb --usequeueprocessing
Add -Dconnect.usequeueprocessing=true to nodes
Add -Dconnect.usequeueprocessing=true to WAS or Wildfly
Wildfly
Add to WebSphere Generic JVM arguments in WAS console at Servers -> Server Types -> WebSphere application server -> server name -> Server Infrastructure -> Java and Process Management -> Process definition -> Java Virtual Machine